// winioctl.h
// CTL_CODE(0x0059, 0x602, METHOD_BUFFERED, FILE_WRITE_ACCESS)
#define IOCTL_SCM_PD_FIRMWARE_ACTIVATE 0x00599808
View the official Win32 API referenceNo description available.
This is previously available to activate the downloaded firmware on an NVDIMM. This requires a power cycle to take effect (not runtime activate).
IOCTL_DISK_GET_DRIVE_LAYOUT_EX
IOCTL_DISK_GET_PARTITION_INFO_EX